### Home > CALC > Chapter 6 > Lesson 6.3.4 > Problem 6-118

6-118.

For each of the following functions, find

*f*′(*x*). Homework Help ✎*f*(*x*) = cot(5*x*^{2}− 2*x*)

Before differentiating, rewrite the expression.

Note that cot(*x*^{4}) ≠ cot^{4}(*x*).